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. 2016 Dec 29;11(12):e0166501. doi: 10.1371/journal.pone.0166501

Fig 2. Levels of IFN-γ, IP-10 and IL-2 in active TB patients (ATB), subjects with latent TB infection (LTBI), and TB-uninfected controls (CON) groups, after long-term (72h) incubation with unstimulated control (A), ESAT-6/CFP-10 (B), and PPD (C).

Fig 2

Each data point represents the concentration observed in the unstimulated level (A) or following antigen stimulation minus the concentration observed in unstimulated controls (B and C).